Open data
for California

This is not a Natural Hazard Disclosure statement. Open state data, explained; flood and dam zones are not covered. Details

Is San Lorenzo in a fire hazard severity zone?

Almost none of San Lorenzo sits in a state fire hazard severity zone.

Very High zone0.0% of the area
High zone0.0%
Moderate zone0.0%
Earthquake fault zone0.0%
Liquefaction zone99.5%
Landslide zone0.0%
Fires recorded since 19500
Land area3.0 sq mi
Median home value (2019-2023)$833,800
Flood and dam zonesnot covered

Its High and Very High share of 0.0% is 52.5 points below the 52.5% of Alameda County. The median home value of $833,800 is 21% below the county median of $1,057,400. Among 20 places in the county it ranks 20 for exposure; Sunol ranks first at 54.1%. Seismic maps cover San Lorenzo with liquefaction 99.5%.

Zones differ from street to street: check the address above. In Alameda County overall, 24.7% of the land is Very High.

No fire perimeter since 1950 touches San Lorenzo in the state record. Small fires are often missing from it.

Nearby places compared

All of Alameda County